The Tornado 636 Slimline Whistle is one of the best all-around safety whistles available. It’s super loud at 117 dB with a high pitch tri-frequency trill sound. Two high pitch frequencies to help pinpoint your location and a lower pitch for long range all sound simultaneously. The profile is slim to fit comfortably under your shirt or in your pocket. And it weighs just 0.2 oz (5.6 g).

This whistle works in all conditions due to its pealess design. It’s fail safe with no moving parts that might lock up or freeze and a plastic body won’t stick to your lips in the cold. The tapered mouthpiece is comfortable and easy to grip hands-free in your mouth when you’re injured or tired. It’s unaffected by water, even complete immersion. And meets SOLAS international regulations for use at sea. It’s very loud, so cover your ears.

The best whistle is the one you have on you when you need it. This slimline whistle can be worn comfortably around your neck and under your shirt so you always have it with you. Attach a lanyard to the split ring or attach the whistle directly to a zipper pull, belt loop, key chain, or your pack so you’re prepared.

Acme has produced quality whistles made in the UK since 1870. There is no whistle today that doesn’t owe its existence to a concept or design pioneered by Acme. Every Acme whistle is individually tested and guaranteed.

This whistle is very loud. Continuous use may cause hearing loss. Wear ear protection.

In no event shall Litesmith, LLC be liable for any direct, indirect, punitive, incidental, or special consequential damages, to property or life, whatsoever arising out of or connected with the use or misuse of its products.

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